A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
Ethernet/IP, is the ______ level protocol that industrial Ethernet uses exclusively. Select the term below that best fills in the blank.
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Space"?
There are several different network access methods available to wired Ethernet. Which of the methods below is the one used by wired Ethernet?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
There are several fields in an Ethernet message frame structure. Which of the answers represent the content of the FCS field in the Ethernet message frame?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would allow power lines to carry stable low-speed communication?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "F"?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
Data communication in a DCS takes the form of various net works. Which of the networks below would connect FCEs, field devices and sensors?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will typically contain a high level of encryption andsecurity
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameter under the LRV?
Which of the answers best represents the number of cables available for use in the segments of Foundation fieldbus H1 transmission system?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
With IPv4, you would use static address assignment over dynamic for this primary reason?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would allow various workstations to receive data from servers and controllers?
Which answer below best represents the recommended standard for a null modem cable?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the encoding of characters?
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?